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1; RUN: opt -S -licm < %s | FileCheck %s
2; RUN: opt -aa-pipeline=basic-aa -passes='require<aa>,require<targetir>,require<scalar-evolution>,require<opt-remark-emit>,loop(licm)' -S %s | FileCheck %s
3
4target datalayout = "E-m:e-p:32:32-i8:8:8-i16:16:16-i64:32:32-f64:32:32-v64:32:32-v128:32:32-a0:0:32-n32"
5
6; This test verifies that ceil, floor, nearbyint, trunc, rint, round,
7; copysign, minnum, maxnum and fabs intrinsics are considered safe
8; to speculate.
9
10; CHECK-LABEL: @test
11; CHECK: call float @llvm.ceil.f32
12; CHECK: call float @llvm.floor.f32
13; CHECK: call float @llvm.nearbyint.f32
14; CHECK: call float @llvm.rint.f32
15; CHECK: call float @llvm.round.f32
16; CHECK: call float @llvm.trunc.f32
17; CHECK: call float @llvm.fabs.f32
18; CHECK: call float @llvm.copysign.f32
19; CHECK: call float @llvm.minnum.f32
20; CHECK: call float @llvm.maxnum.f32
21; CHECK: call float @llvm.powi.f32
22; CHECK: for.body:
23
24define void @test(float %arg1, float %arg2) {
25entry:
26  br label %for.head
27
28for.head:
29  %IND = phi i32 [ 0, %entry ], [ %IND.new, %for.body ]
30  %CMP = icmp slt i32 %IND, 10
31  br i1 %CMP, label %for.body, label %exit
32
33for.body:
34  %tmp.1 = call float @llvm.ceil.f32(float %arg1)
35  %tmp.2 = call float @llvm.floor.f32(float %tmp.1)
36  %tmp.3 = call float @llvm.nearbyint.f32(float %tmp.2)
37  %tmp.4 = call float @llvm.rint.f32(float %tmp.3)
38  %tmp.5 = call float @llvm.round.f32(float %tmp.4)
39  %tmp.6 = call float @llvm.trunc.f32(float %tmp.5)
40  %tmp.7 = call float @llvm.fabs.f32(float %tmp.6)
41  %tmp.8 = call float @llvm.copysign.f32(float %tmp.7, float %arg2)
42  %tmp.9 = call float @llvm.minnum.f32(float %tmp.8, float %arg2)
43  %tmp.10 = call float @llvm.maxnum.f32(float %tmp.9, float %arg2)
44  %tmp.11 = call float @llvm.powi.f32(float %tmp.10, i32 4)
45  call void @consume(float %tmp.11)
46  %IND.new = add i32 %IND, 1
47  br label %for.head
48
49exit:
50  ret void
51}
52
53declare void @consume(float)
54
55declare float @llvm.ceil.f32(float)
56declare float @llvm.floor.f32(float)
57declare float @llvm.nearbyint.f32(float)
58declare float @llvm.rint.f32(float)
59declare float @llvm.round.f32(float)
60declare float @llvm.trunc.f32(float)
61declare float @llvm.fabs.f32(float)
62declare float @llvm.copysign.f32(float, float)
63declare float @llvm.minnum.f32(float, float)
64declare float @llvm.maxnum.f32(float, float)
65declare float @llvm.powi.f32(float, i32)
66